摘要 |
<p>A method of expressing a recombinant protein having sialic acid added thereto, which is advantageous in administration to animals, in insect cells. In this method, a recombinant protein carrying a sugar chain having sialic acid added thereto is expressed in insect cells while regulating, inhibiting or eliminating N-acetylglucosaminidase activity of the insect cells.</p> |